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  <pre class="prettyprint lang-js">Ext.ns('Helper.HTML5');

<span id='Helper-HTML5-ImageData'>/**
</span> * @class Helper.HTML5.ImageData 2D渲染上下文，由context.getImageData()获得
 */
Ext.extend(Helper.HTML5.ImageData, Ext.emptyFn,
{
<span id='Helper-HTML5-ImageData-property-width'>	/**
</span>	 * @property {Number} 所访问像素区域的宽度
	 */
	width: null,
<span id='Helper-HTML5-ImageData-property-height'>	/**
</span>	 * @property {Number} 所访问像素区域的高度
	 * @type
	 */
	height: null,
<span id='Helper-HTML5-ImageData-cfg-data'>	/**
</span>	 * @cfg {Helper.HTML5.CanvasPixelArray} 所访问区域中全部像素信息
	 */
	data: null
});
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